P N Bajaj
Articles written in Pramana – Journal of Physics
Volume 37 Issue 6 December 1991 pp 539-544 Research Articles
A new technique has been developed to measure isotope shifts of high-lying atomic levels using multi-step photoionization. This technique has been demonstrated with the measurement of isotope shift between235U and238U isotopes in the energy level at 34372.992 cm−1. The value of isotope shift thus measured matches well with the value reported in literature.
Volume 38 Issue 4 April 1992 pp 397-409
Time-of-flight technique has been used to characterize supersonic beams of polyatomic molecules in terms of translational and vibrational temperatures, various velocity parameters and speed ratio. Collision effectiveness and effective specific heat ratio of polyatomic gases pertinent to jet expansion have also been determined and interpreted.
Volume 94, 2020
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